Nether Ores is an IC2 compatible mod which adds new natural blocks to the Nether. Ores such as Diamond are more common in the Nether than the Overworld though they often only spawn singularly or in a group of 2. With Nether Ores, it is more profitable to macerate, pulverize, or Induction Smelt them where possible. For example, 1 Nether Diamond ore yields 4 Diamonds when being macerated, but yields only one Diamond ore when smelted. If processed in an Induction Smelter and a Grinder, 1 Nether Diamond will give 4.5 Diamonds per ore (will always give at least 4 and gives 5 half the time). Certain ores cannot be macerated and must be smelted or otherwise processed.

Note that the most profitable (but not necessarily the most time-efficient) yield from Nether Ores is now generally achieved with the use of a mix of machines from Thermal Expansion (namely the Induction Smelter), and the Factorization ore processing chain (Grinder -> Mixer -> Slag Furnace -> Crystallizer). For Nether Copper, Tin, Iron, Gold, and Silver, 900% average yield per ore can be achieved in a best case scenario (using Rich Slag in the Induction Smelter), and 600% average yield can be achieved if no rich slag is available, and sand is used instead. Nether Coal and Nether Lead Ore are also best processed via an Induction Smelter. The exceptions to this are Nether Redstone, Nikolite, and Lapis Lazuli, which still give the highest yield via maceration.

Use CAUTION when mining any Nether Ore with a pickaxe, any nearby Zombie Pigmen will attack you. The effect is much like when you attack one of them. A Mining Laser will allow you to collect the ore without causing Zombie Pigmen to become aggressive. Nether Ore has a chance to cause nearby ores to explode when the first ore is mined, this makes a sizzling noise similar to creepers and TNT when they are about to go off. Chain reactions have been observed, where one exploding ore can trigger another to hiss, then explode. Explosions will place flame nearby, similar to ghast fireballs. Mining Turtles and the Mining Laser have a 0% chance of triggering explosions. If you hear a sizzle when you have mined a Nether Ore, the nearby ore that is about to explode can be prevented from doing so by quickly mining it, however there is no visual change between non-sizzling and sizzling ore (except for the occasional wisp of rising smoke), so the only way forward is to guess which ore is about to explode, and mine as many nearby as possible.

NOTE : Coal Nether Ore seems to be the most volatile but this is not confirmed. This may be due to the large size of coal deposits, but it is more likely that Nether Coal Ore just has a higher chance to explode in the config file.